79 726 331 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime

TF

No factors below 2⁷⁵

TF target 2⁷⁵

P-1

B1 =	670000
B2 =	13065000

Status	Date	User	Residue	Shift
Unverified	2018-05-22	Andrew G	31BCDE579F5642__	66094605

History

Date	User	Type	Result
2018-05-22	Andrew G	C-LL	31BCDE579F5642__
2016-11-10	The Mawn	NF-PM1	B1=670000, B2=13065000, E=6
2016-08-07	AirSquirrels	NF	no factor from 2^74 to 2^75
2016-05-20	Sid & Andy	NF	no factor from 2^73 to 2^74
2016-05-20	Sid & Andy	NF	no factor from 2^72 to 2^73
2016-03-05	RichD0	NF	no factor from 2^71 to 2^72
2013-05-29	Matthias	NF	no factor from 2^70 to 2^71
2013-02-25	wangyun183	NF	no factor from 2^69 to 2^70
2012-08-02	Net_Force	NF	no factor from 2^68 to 2^69
2011-04-11	Carsten Kossendey	NF	no factor from 2^67 to 2^68
2011-04-11	Carsten Kossendey	NF	no factor from 2^65 to 2^67
2010-11-30	Architects Cubed	NF	no factor from 2^64 to 2^65
2009-05-28	Architects Cubed	NF	no factor from 2^63 to 2^64